Rochester police chief La'Ron Singletary has since stepped down, saying that his handling of the case was being distorted.
At least one person opened fire at a large backyard party in the upstate NY city of Rochester early Saturday, killing two people and wounding 14 others in their late teens to early 20s, police said.
The incident began just before 12:30 a.m. on Saturday when police were called to a shooting near Goodman Street and Pennsylvania Avenue, where hundreds of people were gathering outside, local media reported.
"This is truly a tragedy of epic proportions", acting police chief Mark Simmons told reporters on Saturday.
'We have 16 confirmed victims of shooting.
Simmons expressed frustration early Saturday that someone had held a large, late-night party amid that tumult, apparently in defiance of a state ban on large gatherings because of the coronavirus pandemic.
State Attorney General Letitia James on Sunday visited Rochester - site of the grim death of Daniel Prude while in police custody - to announce a new policy for releasing law enforcement officers' body camera footage.
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The 14 injured victims - whose wounds were reportedly said to not be life-threatening - were taken to Strong Memorial Hospital and Rochester General Hospital, Simmons said.
Umbrino added investigators believe there were between three and four shooters, and apparently earlier there had been an argument with people who mingled in the crowd from two other house parties being held nearby.
"Then you add in alcohol and violence, and it just becomes a recipe for disaster", Simmons said.
The AG's office will "proactively release footage to the public on our own" instead of following the previous status quo, under which local police departments had power over releasing such video, James said.
Daniel Prude. Prude, 41, apparently stopped breathing as police in Rochester, N.Y. were restraining him in March 2020 and died when he was taken off life support a week later.
The names of the victims have not been released.
'I'm begging everyone to remain calm and exercise deep restraint as RPD investigates what happened here and seeks those responsible, ' she said.